— I 1 1 — 



69 71 



TIME (YEAR] 



CONTOUR : MLW 



69 71 



TIME (YEAR] 

 CONTOUR : MLW 



73 



1 69 71 



TIME (YEAR] 



CONTOUR : MSL 



73 



71 

 TIME 



(YEAR) 



CONTOUR : 



MSL 



59 71 73 

 TIME (YEAR'J 



CONTOUR : MHW 



71 

 TIME (TEAR] 



CONTOUR : MHW 



FB 5 



Ft 



DISTANCE FROM THE BASE LINE TO STATED CONTOURS 



173 



